Anyone build a SE 811A amp that isn't using a Shishido design? I have a couple of RCA 811s, and want to try em out...
I saw an old thread that said "search the archives", but didn't see an archives section,,,

Please note that the referenced schematic is not using a standard 811A transmitting triode, but a newer Svetlana tube which is not the same... it has no plate cap for starters. A real 811A transmitting tube will not operate in the referenced schematic. As with most transmitting triodes (3C24, 808, 811), you will need to operate them in Class A2 mode (meaning the grid is always positive).

Search around his site... he has several 808/811 amplifiers complete with schematics and measured specifications. The dynamic driver (shown) is a cost-reduced setup, while an interstage transformer would be better albeit more expensive.

Regards, KM

__________________
... just because you're paranoid, it doesn't mean they're not after you...

Please note that the referenced schematic is not using a standard 811A transmitting triode, but a newer Svetlana tube which is not the same... it has no plate cap for starters. A real 811A transmitting tube will not operate in the referenced schematic. As with most transmitting triodes (3C24, 808, 811), you will need to operate them in Class A2 mode (meaning the grid is always positive).

Search around his site... he has several 808/811 amplifiers complete with schematics and measured specifications. The dynamic driver (shown) is a cost-reduced setup, while an interstage transformer would be better albeit more expensive.

Regards, KM

Thank's for teh input,,, thats what I was looking for,,,I'm not into foreign, modern tubes!!! I found a schematic that uses RCA 811s, with a 6L6, and 6SN7, I believe, for teh other stages,,, I was thinking of trying it with a 6BG6 to build a plate cap tube amp!!! I used teh 6BG6s in a 6L6SE amp I've been working on,,, really sounds good so far... Thanks again for teh input,,,

Unless you spend a lot of money on an inter-stage the cathode follower or mosfet will always sound better. I have made lots of PP 811A 100 watt amps using 6BL7's as the cathode followers, nothing even comes close. The 811A's last for ever. I have also made SE 811a's, SE, but i think PP has much better sound.
Phil